| Parameter | Specification |
|---|---|
| COGENG Part Number | 707-99-64460 |
| OEM Equivalent | Komatsu 707-99-64460 |
| Product Type | Hydraulic Cylinder Service Kit |
| Application | Tilt Cylinder & Pitch Cylinder |
| Equipment Model | Komatsu WD600-3 Wheel Dozer |
| Kit Type | Complete overhaul service kit |
| Parameter | Specification | Testing Standard |
|---|---|---|
| Maximum System Pressure | 38 MPa (5,511 PSI) | ISO 10766 |
| Shock Pressure Rating | 57 MPa (8,267 PSI) transient | ISO 10767-1 |
| Operating Temperature | -30°C to +135°C (-22°F to +275°F) | ASTM D2000 |
| Side Load Capacity | Up to 15% of rod diameter deflection | SAE J1516 |
| Seal Material Density | 1.32-1.40 g/cm³ | ASTM D792 |
| Compression Set | ≤ 8% (168 hours @ 125°C) | ASTM D395 Method B |
| Tensile Strength | ≥ 22 MPa (3,191 PSI) | ASTM D412 |
| Elongation at Break | ≥ 320% | ASTM D412 |
| Tear Resistance | ≥ 45 kN/m | ASTM D624 Die B |
| Volume Swell | ≤ 6% in synthetic AW68 (168 hrs @ 110°C) | ASTM D471 |
| Friction Coefficient | 0.08-0.15 (dynamic, with side load) | ASTM D1894 modified |
| Thermal Conductivity | 0.32 W/m·K | ASTM E1225 |
| Specific Heat Capacity | 1.92 kJ/kg·K | ASTM E1269 |
| Abrasion Resistance | ≤ 60 mm³ loss (Taber, CS-17 wheel, 1000 cycles) | ASTM D4060 |
| Component | COGENG Code | Material | Hardness | Quantity per Cylinder | Special Feature |
|---|---|---|---|---|---|
| Main Piston Seal | CG-TPS-64460-01 | HNBR with Kevlar® weave | 92 ± 2 Shore A | 2 | Asymmetric design for tilt loading |
| Primary Rod Seal | CG-TRS-64460-01 | Polyurethane (EU) | 94 ± 3 Shore A | 2 | Pressure-adaptive lip geometry |
| Secondary Rod Seal | CG-TRS-64460-02 | Fluorocarbon (FKM) | 78 ± 3 Shore A | 1 | High-temperature backup |
| Wear Band Set | CG-TWB-64460-01 | Bronze-PTFE composite | 65 ± 5 Shore D | 4 | Extra width (25mm) for stability |
| Wiper Assembly | CG-TWA-64460-01 | PU + metal-exclusion lip | 96 ± 2 Shore A | 1 | Triple-stage contamination control |
| Gland Seal Kit | CG-TGS-64460-01 | HNBR with steel insert | 85 ± 3 Shore A | 1 | Locking anti-rotation design |
| Cushion Seal | CG-TCS-64460-01 | Microcellular PU | 88 ± 2 Shore A | 1 | Energy absorption at stroke ends |
| Component | COGENG Code | Material | Hardness | Quantity | Special Feature |
|---|---|---|---|---|---|
| Pitch Piston Seal | CG-PPS-64460-01 | HNBR/PTFE laminate | 90 ± 2 Shore A | 2 | Low-stiction for precise control |
| Pitch Rod Seal | CG-PRS-64460-01 | Polyurethane (AU) | 93 ± 3 Shore A | 2 | Optimized for pitch oscillations |
| Angle Compensator | CG-PAC-64460-01 | Filled PTFE | 70 ± 5 Shore D | 2 | Maintains seal contact at ±5° misalignment |
| Wear Ring Set | CG-PWR-64460-01 | Carbon-graphite PTFE | 68 ± 5 Shore D | 4 | Self-lubricating, high PV rating |
| Multi-Lip Wiper | CG-PMW-64460-01 | PU with magnetic core | 95 ± 2 Shore A | 1 | Captures ferrous particles >3µm |
| Component | COGENG Code | Material | Quantity | Application |
|---|---|---|---|---|
| O-Ring Set | CG-ORS-64460-01 | FKM (Grade 75) | 24 | Various static seals |
| Backup Rings | CG-BRS-64460-01 | Glass-filled PTFE | 12 | Anti-extrusion protection |
| Thread Seals | CG-THS-64460-01 | PTFE tape & paste | 2 kits | Port connections |
| Breather Seals | CG-BTS-64460-01 | NBR with filter | 4 | Rod end breathers |
| Shim Kit | CG-SHK-64460-01 | Stainless steel | 1 set | Gland adjustment |
Workspace Specifications:
Minimum 5-ton overhead capacity
Concrete floor with drainage
Lighting: 750 lux minimum at work height
Climate control: 15-25°C, <65% RH
Specialized Equipment Required:
Hydraulic test bench (0-40 MPa, 100 L/min)
Cylinder honing machine (capable of 200mm bore)
Chroming equipment for rod repair
Laser alignment tools for cylinder mounting
Safety Protocols:
WD600-3 specific service manual must be onsite
Two-person minimum for cylinder handling
Certified rigging equipment for 800kg components
Fire suppression system rated for hydraulic oil fires
